Q: Is 21,200 a Prime Number?
A: No, 21,200 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 21200 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 53 80 100 106 200 212 265 400 424 530 848 1,060 1,325 2,120 2,650 4,240 5,300 10,600 and 21,200, with no remainder.
Since 21,200 cannot be divided by just 1 and 21,200, it is not a prime number.